Finding the Third Proportional to 14,440.78 and 20,953.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,440.78 : 20,953.69 = 20,953.69 : x
2. Step 2: Convert to fraction form
   14,440.78/20,953.69 = 20,953.69/x
3. Step 3: Cross multiply
   14,440.78x = 20,953.69 × 20,953.69
4. Step 4: Simplify right side
   14,440.78x = 439,057,019.85
5. Step 5: Solve for x
   x = 439,057,019.85/14,440.78
6. Step 6: Final answer
   x = 30,403.97